Packing gland



Aug. 24, 1926. P. F. YUNGLING PACKING GLAND Filed July 19, 1924 flu/en for Biz/L F Yu/v L/N W Patented Aug. 24, 1926. i

I 1,596,959 PATENT GFFICE.

i PAUL F. YUNGLING, LOS ANGELES, CALIFORNIA.

I PACKING GLAnD.

Application filed July 19, 1924. Serial No. 727,091. I

This invention relates more particularly to a means for adjusting the expansible members of packing glands.

In the drawings annexed hereto the in vention is illustrated in connection with a hydraulic rotary swivel head employed to direct a stream of mud-laden water to the cutting bits in the drilling of oil wells by the rotary method. Qwing to the gritty character of the mud-laden water passing through the head, the glands require frequent readjustment of the packing ele-' ments, this operation in heads now generally employed necessitating a stoppage of drilling operations and a dismantling of the mechanism in order to effect an adjustment.

By means of the present invention an adjustment of the expansible packing rings of a gland may be quickly and easily ef-.

fected from the exterior of the apparatus without the necessity of stopping its operation or dismantling a portion of its'casing.

A main object of this invention is to provide a packing gland for encased structures in which the expansible members may be readily adjusted without the necessity of dismantling or removing any portion of the structure. 7

Another object is to provide a hydraulic swivel head construction having means connected thereto and operated by the rotary liquid feed pipe for diverting foreignmatter away from the adjustable packing glands during its operation, whereby to prevent an abrasive or cutting action on the expansible members of the glands.

With the above related objects in View, the invention consists of the parts, improvements, and combinations hereinafter set forth and particularly pointed out in the appended claim.

In the drawings forming a part of this specification, and wherein the same reference' numerals are used to designate like parts throughout: V

Fig. l is a side elevation of a rotary swivel head embodying the featuresv of the invention.

Fig. 2 isan enlarged partial side elevation of the swivel head, parts being shown in section to clearly disclose the invention.

Fig. 3 is a transverse section of the head taken on line 3-3 of Fig. 2.

Fig. 4c is a detail section of one of the packing gland adjusting means.

Fig; 5 is a plan view of the impeller utilized to direct foreign matter away from the packing glands during the drilling operation.

Fig. 6 is a cross section of the impeller The upper end of the gland housing is provided with a cylindrical bore 15, its upper end being threaded for the reception of a gland nut l6bevelled inwardly on its lower end, a plurality of packing rings 17, formed of an expansible 'material being disposed in the bore 15 below the. gland nut, and surrounding the wash pipe 18. Loosely mounted on this pipe is a circular gland adjusting collar 19 bevelled inwardly on its upper circular end and engaging the lowermost packing rings. Formed integrally with the lower circular end of the gland adjusting collar 19 are a pair of downwardly extending inclined oppositely disposed lugs'20, each provided on their ends with a slot 21. Gland housing 13 is provided in the inclined portion of its circular wall with a pair of oppositely disposed opening 22, through which are passed T- bolts 23, the cross bars of the bolts engaging the slots formed in the lugs 20, adjusting nuts 24 having washers 25, being secured to the bolts.

As the packing rings become cut and worn, the gland adjusting collar 19 may be quickly forced upwardly against the packhousing is provided with a packing gland 27, of usual construction, through which passes the lower end oi the wash pipe. The wall of the gland housing is provided with a pair of oppositely disposed openings 28 that extend upwardly from wall 26 and terminate adjacent the lower end of the bore 15.

Disposed in chamber 29 of the gland housing, and rigidly secured to the lower end of the Wash pipe 18, is an impeller 30, here shown as termed of two semi-circular sections 31, 32, secured together by means of clamping bolts 33. As the mud-laden water passes downwardly through the wash pipe 18, any leakage of the same through the gland will. be forced outwardly from the chamber through the openings 28 in the housing wall, thereby maintaining the cha i ber 29 comparatively tree of gritty foreign matter that tends to cut the packings of the glands. In Fig. 2 of the drznvingsit will be observed that the upper surface out the transverse wall 26 inclines from the center outwardly, the inclination serving to prevent accumulations adjacent the lower gland 27 during the operation or the apparatus.

From the above description it will be noted that I have provided a gland con struction that is extremely eilicient, and one that can be readily adjusted with simple tools, and further, I have provided means for efiectively deflecting accumulations of foreign matter away from the glands during the operation of the apparatus.

hat I claim is I ln a hydraulicswivel, the combination with a trunnion block and a bail supporting the same, of a hollow shaft extending through said block, a housing secured to the upper end of said block, said housing having alined shaft bearings in its upper and lower ends, an expansible packing for the lower bearing, a hollow gland nut tor the upper bearing, a packing expanding collar mounted in the lower end of said bearing having lugs projecting from its lower end, an expansible packing interposed between the oppositely disposed ends of the gland nut and expanding collar, athreaded bolt pivotally secured to each of said expanding collar lugs, said bolts passing throughthe housing, and adjusting nuts secured to said bolts and bearing against the outer surface oi said housing, whereby the expanding collar may be adjusted to expand the packing oi the, bearing.

In witness that I claim the foregoing I have hereunto subscribed my name this'2lst (lay of June, 1924i.

PAUL F. .YUNGLING. 

